Solar photovoltaic assembly attitude adjustment control system
Technical field
The present invention relates to solar energy photovoltaic system, particularly, relate to solar photovoltaic assembly attitude adjustment control system.
Background technology
Solar tracking system is to keep solar panel at any time over against the sun, lets the light propulsion system of vertical irradiation solar panel at any time of sunshine, can significantly improve the generating efficiency of solar photovoltaic assembly.Because the rotation of the earth; Solar photovoltaic generation system with respect to some fixed locations; 1 year four seasons spring, summer, autumn and winter, day every day rise sunset; The lighting angle of the sun is at every moment all changing, and guarantees that effectively solar panel can be constantly over against the sun, and generating efficiency just can reach optimum condition.At present general in the world solar tracking system all needs the angle that the different moment sun according to the every day in the information calculations such as longitude and latitude 1 year of laying a little belong to; Each position of sun constantly in 1 year is stored in PLC, single-chip microcomputer or the computer software, just lean on and calculate position of sun to realize tracking.But such scheme is comparatively complicated and need put in order in advance the position of sun in a year.
Summary of the invention
To defective of the prior art, the purpose of this invention is to provide a kind of solar photovoltaic assembly attitude adjustment control system.
According to an aspect of the present invention; Solar photovoltaic assembly attitude adjustment control system is provided; Comprise angle of pitch adjusting motor, the driving circuit that connects said angle of pitch adjusting motor that carries support, is used to regulate said carrying support luffing angle, the control device that connects said driving circuit, also comprise the magazine, fresnel lens array, secondary condensation mirror and the optical filtering that are fixed on the said carrying support, wherein; Said secondary condensation mirror is positioned at before the focus of said fresnel lens array; The end face of said magazine is provided with through hole, and said optical filtering is embedded in the said through hole, and said magazine comprises semi-transparent film that is arranged at said through hole below and the camera that is arranged at said semi-transparent film below; Said camera connects said control device, and said optical filtering is positioned at before the focus of said secondary condensation mirror.
Preferably, said secondary condensation mirror is point focusing formula Fresnel Lenses or line focus formula Fresnel Lenses.
Preferably, said control device comprises like lower device: locating device, and the ground plan picture that it is used to receive the semi-transparent film that said camera collection arrives positions according to the position of said ground plan picture to hot spot on the said semi-transparent film then; The angle of pitch is confirmed device, and it is used for according to the position output luffing angle of hot spot on said semi-transparent film.
Preferably, said optical filtering is red filter or blue filter.
Preferably, said semi-transparent film perpendicular to said camera axially.
Preferably, said fresnel lens array comprises six Fresnel Lenses that connect successively.
Preferably, the angle between any adjacent two is 150 degree in said six Fresnel Lenses that connect successively.
Preferably; Said locating device comprises first treating apparatus; Wherein, Said first treating apparatus is used to obtain the position of the marginal point of hot spot, and the marginal point that obtains hot spot then surrounds the brightness value of each point in the zone and gives each point corresponding weights, according to weights the centre of gravity place of hot spot is confirmed as the position of hot spot on said semi-transparent film at last.
The present invention collects the light of each horizontal azimuth through the Fresnel Lenses group; Control angle of pitch adjusting motor through the position of hot spot in the magazine then and carry out the adjusting in angle of pitch orientation; Feasible tracking to the sun is an one dimension from Simplified two-dimension; Greatly reduce the complexity in the control of physical construction and position angle, and improved the solar tracking precision.
Description of drawings
Through reading the detailed description of non-limiting example being done with reference to following accompanying drawing, it is more obvious that other features, objects and advantages of the present invention will become:
Fig. 1 illustrates the structural representation according to magazine of the present invention;
Fig. 2 illustrates the structural representation according to Fresnel Lenses group of the present invention.
Embodiment
Present invention is described below in conjunction with accompanying drawing.
In one embodiment of the invention; Comprise angle of pitch adjusting motor, the driving circuit that connects said angle of pitch adjusting motor that carries support, is used to regulate said carrying support luffing angle, the control device that connects said driving circuit according to solar photovoltaic assembly attitude adjustment control system provided by the invention; Also comprise the magazine 4, fresnel lens array 1, secondary condensation mirror 2 and the optical filtering 3 that are fixed on the said carrying support; Wherein, Said secondary condensation mirror 2 is positioned at before the focus of said fresnel lens array 1; The end face of said magazine 4 is provided with through hole 5, and said optical filtering 3 is embedded in the said through hole 5, and said magazine 4 comprises semi-transparent film 6 that is arranged at said through hole 5 belows and the camera 8 that is arranged at said semi-transparent film 6 belows; Said camera 8 connects said control device, and said optical filtering 3 is positioned at before the focus of said secondary condensation mirror 2.
Preferably, said secondary condensation mirror 2 is point focusing formula Fresnel Lenses or line focus formula Fresnel Lenses.Said control device comprises that the locating device and the angle of pitch confirm device; Wherein, Said locating device is used to receive the ground plan picture of the said semi-transparent film 6 that said camera 8 collects, and positions according to the position of said ground plan picture to hot spot on the said semi-transparent film 6 then; The said angle of pitch confirms that device is used for according to the position output luffing angle of hot spot on said semi-transparent film 6.Preferably; Said locating device comprises first treating apparatus; Wherein, Said first treating apparatus is used to obtain the position of the marginal point of hot spot, and the marginal point that obtains hot spot then surrounds the brightness value of each point in the zone and gives each point corresponding weights, according to weights the centre of gravity place of hot spot is confirmed as the position of hot spot on said semi-transparent film at last.
Further preferably, said optical filtering is red filter or blue filter.Said semi-transparent film 6 is axial perpendicular to said camera.Said fresnel lens array 1 comprises six Fresnel Lenses that connect successively.Angle in said six Fresnel Lenses that connect successively between any adjacent two is 150 degree.
The present invention collects the light of each horizontal azimuth through the Fresnel Lenses group; Control angle of pitch adjusting motor through the position of hot spot in the magazine then and carry out the adjusting in angle of pitch orientation; Feasible tracking to the sun is an one dimension from Simplified two-dimension; Greatly reduce the complexity in the control of physical construction and position angle, and improved the solar tracking precision.
More than specific embodiment of the present invention is described.It will be appreciated that the present invention is not limited to above-mentioned specific implementations, those skilled in the art can make various distortion or modification within the scope of the claims, and this does not influence flesh and blood of the present invention.